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General & Media Contact

Shigeru "Shig" Masuko Regional Manager, Japan Office


Nisso Dai 18 Building #523
3-7-18 Shin-Yokohama, Kouhoku
Yokohama, Kanagawa, 222-0033


Media Contact

Jill Wilson Vice President, Communications & Marketing
(859) 281-5000

Contact Info

Phone : (045) 594-7034
Fax : (045) 345-4380
Web :

Our People

Gray is a full-service, integrated design-build contractor staffed by nearly 900 highly skilled, experienced professionals.

Staffing Numbers

  • Architecture & Engineering 202
  • Project Planning 28
  • Project Managment 323
  • Site Management 378
  • Operations Admin 41

About This Office

In the late 1980s, Gray opened its first office in Japan to better accommodate the needs of Japanese customers. To date, Gray has completed more than 303 projects for Japanese customers, amounting to over 25 million s.f. of plant space. Our core markets are:

Our bilingual staff promptly provides comprehensive services to customers, a trait that is recognized and appreciated by our Japanese customers. Our team is also adept at translating non-U.S. design and building details into U.S. manufacturing standards, often resulting in schedule and cost reductions.


  • Programming
  • Site Selection
  • Architecture
  • Civil Engineering
  • MEP Engineering
  • Structural Engineering
  • Process Engineering
  • Equipment Procurement
  • Equipment Installation
  • Construction Management
  • LEED® Certification
  • Sustainable Design

How Gray Ranks in America

Gray has been recognized as one of the top engineering, architecture and construction firms in America as evidenced by our rankings in the major markets listed below.

  • 6th
    ENR Top Contractors in Manufacturing Plant Construction
  • 4th
    ENR Top Contractors in Automotive Plant Construction
  • 4th
    ENR Top Contractors in Food & Beverage Plant Construction
  • 15th
    ENR Top Contractors in Distribution Center Construction
  • OC Business Journal Top Tenant Improvements Contractors
    OCBJ Top Tenant Improvements Contractors
  • 18th
    ENR Top Contractors in Retail
  • 12th
    ENR Top Contractors in Industrial Process
  • 27th
    ENR Top 100 Design-Build Firms
  • OC Business Journal Top Tenant Improvements Contractors
    OC Business Journal Top Commercial Construction
  • Mendocino Farms California
    CC&R Top Contractor in Restaurant
  • 80th
    ENR Top 400 Contractors